// Licensed to Cloudera, Inc. under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  Cloudera, Inc. licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

const waitForVariable = (
  variable: unknown,
  callback: (variable: unknown) => void,
  timeout?: number
): void => {
  if (variable) {
    callback(variable);
  } else {
    window.setTimeout(() => {
      waitForVariable(variable, callback);
    }, timeout || 100);
  }
};

export default waitForVariable;
